Side by side

Makydo Mystic BluevsSeiko Prospex Sea 1968 Heritage Diver's GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Mystic Blue
MakydoMystic Blue
Prospex Sea 1968 Heritage Diver's GMT
SeikoProspex Sea 1968 Heritage Diver's GMT
MSRP $1,500
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Makydo Mystic Blue

Owners widely praise the Makydo Mystic Blue for its aesthetic appeal, impeccable finishing on the case and bracelet, and its sunburst dial. The 38mm size is noted to wear comfortably, closer to 39mm. Some owners report the clasp takes time to get used to for smooth operation.

Seiko Prospex Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and comfortable wearability, offering good value for its price point. Owners and reviewers highlight the attractive silver/white sunray dial, blue ceramic bezel, and the premium feel of the improved bracelet clasp with excellent micro-adjustment. The Caliber 6R54 movement provides a 72-hour power reserve, and real-world accuracy often exceeds its stated range of +25 to -15 seconds per day, with some owners reporting figures around +3 to +5 seconds per day. However, the caller-style GMT functionality is a point of contention for some, who find the GMT scale difficult to read and prefer a flyer GMT at this price. Some also find the crown position at 4 o'clock undesirable, and a few note a lack of dial contrast or illegibility of the inner bezel.

At a glance

13 of 29 specs differ
Diameter
Mystic Blue38mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
Mystic Blue
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
Mystic Blue50m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
Mystic Blue
Prospex Sea 1968 Heritage Diver's GMT$1,500

Full specifications

Case

6 specs
Category
Diver
Diameter
38mm
42mm
Thickness
9mm
12.9mm
Lug-to-Lug
48.6mm
Lug Width
27mm
20mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9015
6R54
Power Reserve
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,500
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